Home / 629,645.40-944,747.28-330,054.48

Finding the Fourth Proportional to 629,645.40, 944,747.28 and 330,054.48

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Solution

The fourth proportional to 629,645.40, 944,747.28 and 330,054.48 is: 495,228.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,645.40 : 944,747.28 = 330,054.48 : x
  2. Step 2: Convert to fraction form
    629,645.40/944,747.28 = 330,054.48/x
  3. Step 3: Cross multiply
    629,645.40x = 944,747.28 × 330,054.48
  4. Step 4: Simplify right side
    629,645.40x = 311,818,072,231.81
  5. Step 5: Solve for x
    x = 311,818,072,231.81/629,645.40
  6. Step 6: Final answer
    x = 495,228.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.